The undercard in Week 3 is loaded with intriguing games but the nation will be focused on the big three: Clemson at Louisville, Tennessee at Florida and LSU at Mississippi St. Otherwise, can Texas upset USC? Will Kansas St prove itself? Can Pitt hang with Ok-State? Will Oregon and UCLA survive tricky road trips? How will The Grove mix with Tight Wad Hill? And will South Carolina move to 2-0 in the SEC?